After downloading, you have to extract the files using WinRAR. When you download the Primavera P6 Professional Client Applications R8.1 (Size = 416 M), the default file name is V26287.rar. After extracting the file, you will get nine extracted files. To start the installation, click on Setup.

Click "Data" from Menu and then select "WBS", then click the "Structure" button. the numbers from 1 to 10 represent levels of WBS. Which means the structure of WBS can have levels ranging from 1 to 10. Enter the symbol in separator field that you want to use for separating different levels of the WBS. Example of work breakdown structure of a GIS Project in Primavera Project Planner P3.

Defines how the activities are grouped together in P3 working area. Click "Format" menu then select "Organize". Press the "+" sign just below the label "Group By" and select the criteria from the drop down list which you want to use for grouping.

To create the project you will require the following information:
Project Name
Client Name
Other information such as Location, which may be entered in the Project Overview as Comments or in the Number/V'ersion fields.
The Start Date (and perhaps the Finish Date)